[Cmake] EXEC_PROGRAM and it's output variable

[Terry Lorber]

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See attached.

I get the same results with CMakeSetup as well as running cmake from the 
command line (cygwin).  If I replace the EXEC_PROGRAM command with 
SET(BUILD_DATE "20040401") it works.

tgl

William A. Hoffman wrote:

> If the MESSAGE(${BUILD_DATA}) works, then there must be something
> wrong with the CONFIGURE_FILE call or input.  Since, you did not
> provide that code, it will be hard to say exactly what is wrong.
> 
> 
> -Bill
> 
> 
> At 10:50 AM 2/6/2004, Terry Lorber wrote:
> 
>>I'm try to use EXEC_PROGRAM to store the current date.  I'm calling it like this (on cygwin) in my topmost CMakeLists.txt file:
>>
>>EXEC_PROGRAM(date
>> ARGS +%Y%m%d
>> OUTPUT_VARIABLE BUILD_DATE
>>)
>>
>>If I call MESSAGE(${BUILD_DATE}) in the same CMakeLists.txt, I see the value I want.  However, using ${BUILD_DATE} in an input file for CONFIGURE_FILE, results with no value being returned.  If I do SET(BUILD_DATE "20040206") in the value being passed through to the output file.
>>
>>What's to do?
>>
>>Thanks,
>>tgl
>>-- 
>>Atlantis Components Inc     270 Third St
>>617.661.9799x248            Cambridge MA  02142

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